Home / 18,170,031.78-25,078,524.35-10,439,336.70

Finding the Fourth Proportional to 18,170,031.78, 25,078,524.35 and 10,439,336.70

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Solution

The fourth proportional to 18,170,031.78, 25,078,524.35 and 10,439,336.70 is: 14,408,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,031.78 : 25,078,524.35 = 10,439,336.70 : x
  2. Step 2: Convert to fraction form
    18,170,031.78/25,078,524.35 = 10,439,336.70/x
  3. Step 3: Cross multiply
    18,170,031.78x = 25,078,524.35 × 10,439,336.70
  4. Step 4: Simplify right side
    18,170,031.78x = 261,803,159,576,601.94
  5. Step 5: Solve for x
    x = 261,803,159,576,601.94/18,170,031.78
  6. Step 6: Final answer
    x = 14,408,514.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.